<?php

/* 
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
require 'db_conn.php';
//删除功能第一个要点：如何获取当前要删除的留言ID   index
$id=$_GET['id'] ?$_GET['id']: 0;
$sql="delete from t_message where id='$id'";
 $result=$db->query($sql);
 if ($result)
 {
      echo "<script language='javascript' type='text/javascript'>";
      echo "window.location.href='index.php';";
      echo "</script>";
 }
 else {
     echo "<script language='javascript' type='text/javascript'>";
     echo "alert('删除失败！');";
     echo "window.location.href='index.php';";
     echo "</script>";
        }